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G♭aug7♭9/F♭ guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 110 playable shapes

About the chord

G♭ augmented 7th flat 9th / F♭ (3rd inversion)

The G♭ augmented 7th flat 9th augmented 7th flat 9th chord blends the augmented triad with a minor seventh and flat ninth A♭♭, producing a complex, dramatic tension. Its dissonant, unresolved sound is ideal for jazz and film scoring. With F♭ in the bass, this voicing functions as the 3rd inversion of G♭ augmented 7th flat 9th.

Root note: G♭
Bass note: F♭
Chord tones: 5
Playable shapes: 110

Chord tones

G♭B♭DF♭A♭♭

Notes & Intervals

Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.

G♭ Unison (Root) 1

The root anchors the chord and defines its tonal center.

B♭ Major Third 3

This note defines the chord's major quality and brings brightness to the sound.

D Augmented Fifth ♯5

The raised fifth adds lift, drama, and a more unsettled color.

F♭ Minor Seventh ♭7

The minor seventh adds bluesy or jazzy tension that wants to move onward.

A♭♭ Minor Ninth ♭9

The flat ninth adds sharper tension and a more dramatic clash.

Related Articles

Articles that reference this chord and explain how to use it in your playing.